Diatoms – SAR-Stramenopiles (Bacillariophyta)

Observations on Coscinodiscus wailesii

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Coscinodiscus wailesii Gran & Angst 1931

Most likely ID: n.a.

Basionym: n.a.

Add’l Synonyms: n.a.

Sampling date 04/2011. Scale bar indicates 100 µm.

Valvar view. Insets showing marginal ring of labiate processes (upper right) and the hyaline central area (lower left).

Place name: North Sea around Heligoland
Latitude: 54.186311 Longitude: 7.895034

Microscope Zeiss Universal, camera Olympus C7070WZ. DOF image.

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Six images.

First:	LM DIC, close-up of valve of a living specimen. Scale bar indicates 50 µm.
Second:	SEM of girdle view. The ligulae which fit in the open girdle bands are weakly visible. Scale bar indicates 100 µm.
Third:	SEM close-up of the lateral side of the valve. Scale bar indicates 25 µm.
Fourth:	SEM, valvar View. Scale bar indicates 100 µm.
Fifth:	SEM, close-up showing hyaline central area. Scale bar indicates 10 µm.
Sixth:	SEM, close-up showing fine structure of valvar pores. Scale bar indicates 5 µm.

Please click on < or > on the image edges or on the dots at the bottom edge of the images to browse through the slides!

Place name: North Sea around Heligoland
Latitude: 54.186311 Longitude: 7.895034

a) Microscope Zeiss Universal, camera Olympus C7070WZ. DOF images.
b) SEM

Use of SEM equipment courtesy of Lab Dr. Karl-Heinz Schäffner, Solingen, Germany.

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Sampling date 04/2017. Scale bars indicate 100 µm.

Two images.

First:	Synoptic repersentation of the upper valve. Focus on frustule surface with chloroplasts.
Second:	Synoptic repersentation of the upper valve. Focus lies deeper in the cell’s lumen showing the nucelus surrounded with chloroplasts.

Please click on < or > on the image edges or on the dots at the bottom edge of the images to browse through the slides!

Place name: North Sea around Heligoland
Latitude: 54.186311 Longitude: 7.895034

Microscope Zeiss Universal, camera Olympus C7070WZ. DOF images.

Previous slide

Next slide

Six images.

Please click on < or > on the image edges or on the dots at the bottom edge of the images to browse through the slides!

Place name: North Sea around Heligoland
Latitude: 54.186311 Longitude: 7.895034

Leica dissecting microscope, camera Olympus OM-D E-M5 II. DOF images.

© Wolfgang Bettighofer,
images under Creative Commons License V 3.0 (CC BY-NC-SA).
For permission to use of (high resolution) images please contact postmaster@protisten.de.

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Observations on Coscinodiscus wailesii

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